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SABIC Innovative Plastics VALOX 745 PBT (North America)


Subcategory: Polybutylene Terephthalate (PBT); Polyester, TP; Polymer; Thermoplastic

Close Analogs: Saudi Basic Industries Corporation (SABIC) announced on August 31st, 2007, the completion of its purchase of GE Plastics.

Material Notes:
Information provided by GE Plastics for their North American product line.

Physical PropertiesOriginal ValueComments
Density1.46 g/cc ASTM D 792
Water Absorption0.09 % 24 hours @ 73F; ASTM D 570
Linear Mold Shrinkage0.006 - 0.008 cm/cm Flow, 60-125 mil; ASTM D 955
Linear Mold Shrinkage0.008 - 0.01 cm/cm Flow, 0.125 inch; ASTM D 955
Linear Mold Shrinkage, Transverse0.006 - 0.008 cm/cm 60-125 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.008 - 0.01 cm/cm 0.125 inch; ASTM D 955

Mechanical Properties
Hardness, Rockwell R112 ASTM D 785
Tensile Strength @ Break6800 psi Type I, 2.0 in/min; ASTM D 638
Tensile Strength @ Yield7100 psi Type I, 2.0 in/min; ASTM D 638
Flexural Modulus500000 psi 0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength13000 psi 0.05 in/min, 2" span; ASTM D 790
Izod Impact, Unnotched30 ft-lb/in 73F; ASTM D 4812
Izod Impact, Notched1.5 ft-lb/in 73F; ASTM D 256

Electrical Properties
Volume Resistivity6.9e+016 ohm-cm ASTM D 257
Dielectric Constant3.2 1 MHz; ASTM D 150
Dielectric Constant3.3 100 Hz; ASTM D 150
Dielectric Strength590 V/mil in air, 125 mils; ASTM D 149
Dielectric Strength630 V/mil in oil, 62 mils; ASTM D 149
Dissipation Factor0.002 100 Hz; ASTM D 150
Dissipation Factor0.014 1 MHz; ASTM D 150
Arc Resistance120 - 180 sec Tungsten (+/- 0.125 inch); PLC Code 5; ASTM D 495
Comparative Tracking Index250 - 400 V (+/- 0.125 inch); PLC Code 2; UL 746A
Hot Wire Ignition, HWI30 - 60 sec (+/- 0.125 inch); PLC Code 2; UL 746A
High Amp Arc Ignition, HAIMin 120 arcs Surface (+/- 0.125 inch); PLC Code 0; UL 746A
High Voltage Arc-Tracking Rate, HVTR80 - 150 mm/min (+/- 0.125 inch); PLC Code 3; UL 746A

Thermal Properties
CTE, linear 68°F42 µin/in-°F Flow, -40F to 100F; ASTM E 831
CTE, linear, 212°F (100°C)77 µin/in-°F Flow, 140F to 280F; ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi)320 °F 0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)190 °F 0.250 inch, unannealed; ASTM D 648
UL RTI, Electrical105 °C UL 746B
UL RTI, Mechanical with Impact105 °C UL 746B
UL RTI, Mechanical without Impact105 °C UL 746B
Flammability, UL94HB 0.058 in.

Descriptive Properties
UL File Number, USAE121562 

 


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